<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>11-svg绘制多边形</title>
</head>
<body>
  <svg height="600" width="800">
    <!-- <polygon points="200,10 250,190 160,210" style="fill:lime;stroke:purple;stroke-width:1" /> -->

    <polygon points="200,10 250,190 160,210 330,220 400,260" style="fill:lime;stroke:purple;stroke-width:1" />
  </svg>
</body>
</html>